I failed in my sem exams, now shockingly it's an year back to me. I thought i was not so bad in exams. Fed up about indian education system. I am truely intrested in the field, but dno why it happened ?

I failed in my sem exams, now shockingly it's an year back to me. I thought i was not so bad in exams. Fed up about indian education system. I am truely intrested in the field, but dno why it happened ?